This is how astronauts use the toilet in space. It's really, really complicated because of that zero-gravity thing! And just like our friend Astronaut Leroy Chiao once told us, there's a ton of things to worry about before you actually plop down.

Here's an exclusive video from NASA, which reveals the darkest secret of the space program, one that involves docking and alignment: How do you poop in space? Truly fascinating, but some of the comments in the movie shrivel my testes.

Even when astronaut guest blogger Leroy Chiao isn't asked, he knows people are dying to know: What's the deal with relieving yourself when there's no gravity to contain the mess? How does it actually work?

After almost getting a toilet named after him, Stephen Colbert will be surprised to know that he's getting his name on a treadmill instead. Our surprise? NASA picked the EIGHTH most popular name instead.

The International Space Station's toilet is still broken, people. And all of our toilet humor isn't doing anything to fix what could be a potentially extremely hazardous situation. And as Russian ISS chief Vladimir Solovyov explained, it could lead to a complete evacuation.

It must be a relief for the ISS crew to hear that their malfunctioning toilet will get some urgently-needed repairs next week, now that Discovery will be whizzing a new pump aloft. The dodgy loo has been unable to deal with liquid waste, and repair attempts failed. So NASA has cleared Discovery to fly on Saturday with…